Knema latifolia Warb.

Species

Angiosperms > Magnoliales > Myristicaceae > Knema

Characteristics

Tree 4-20 m. Twigs (1—)2—3 mm diameter, at first with minute greyish hairs 0.1 mm long, early glabrescent; bark finely or coarsely striate, sometimes faintly cracking, not flaking. Leaves (thinly) coriaceous, (elliptic-)oblong to obovate-oblong, (7-)10-30 by (2.5-)4.5-12.5 cm, apex broadly acute(-acuminate) or subobtuse, base attenuate to rounded; greenish brown to blackish, often glossy above; lower surface grey or pinkish brown, at first with sparse stellate scale-like hairs 0.1 mm long, early glabrescent; dots absent; midrib ± raised above; nerves 8-16 pairs, slightly raised above; venation distinct above; petiole 15-30 by 2-4 mm. Inflorescences: sessile or pedunculate up to 5 mm, brachyblast simple or 2-4-furcate, to 8 mm long; in male 5-15-flowered, female 1-5-flowered; flowers with grey-brown stellate hairs 0.1 (-0.2) mm long or less, subglabres-cent; perianth 3-(or 4-)lobed, pale yellowish inside (always?). Male flowers: pedicel 5-10 mm long, bracteole subpersistent, subapical; buds depressed globose or broadly (ob)ovoid, ± trigonous, 2.5-3.5 by 3.5-5 mm, cleft 4/5(-5/6), lobes 0.5-1 mm thick; staminal disc sharply 3-(or 4-)angled, flat or slightly convex, 2-2.5 mm diameter; anthers 3 (or 4), sessile below the angles of the disc, horizontal, 0.5-1 mm long, not touching; androphore slender, 0.5-1 mm long. Female flowers: pedicel (4-)5-10 mm long, bracteole median or above; buds ellipsoid-obovoid, with a faint constriction below the middle, 5-7 by 4 mm, cleft 2/3-3/4, lobes 1 mm thick; ovary ovoid, 2-2.5 mm long; style 0.5-0.8 mm long; stigma fleshy, ± 2-lobed and each lobe again (2-)3-5-lobulate. Fruits 1 or 2 per infructescence, globose-ellipsoid or ellipsoid-oblong, somewhat flattened, often ridged, often somewhat saccate at base, 2-3.5 by 2-3 cm; dry pericarp 2-3 mm thick, with grey to rusty hairs 0.1-0.2 mm long, subglabrescent; fruiting pedicel 7-20 mm long.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
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Mature height (meter) 4.0 - 20.0
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Photosynthetic pathway c3

Environment

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Hardiness (USDA) 10-12

Usage

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Edible -
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Cultivation

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Distribution

Knema latifolia world distribution map, present in Brunei Darussalam, Indonesia, and Malaysia

Conservation status

Knema latifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:585880-1
WFO ID wfo-0000356808
COL ID 6NLWR
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Knema latifolia Knema nitida Knema umbellata Knema winkleri Myristica umbellata